Sign up for our popular daily email to catch all the latest EV news!. Bollinger Motors, a commercial electric vehicle (EV) manufacturer, is expanding its presence in California’s Central Valley by partnering with Affinity Truck Center. The collaboration brings the all-electric Bollinger B4 chassis cab truck to four of Affinity’s sales and service locations, enhancing Bollinger’s reach as it begins production and deliveries of the B4.